diff --git a/tools/frr.service.in b/tools/frr.service.in
index 1e958dd93..4c3d3ae28 100644
--- a/tools/frr.service.in
+++ b/tools/frr.service.in
@@ -21,6 +21,7 @@ PIDFile=@CFG_STATE@/watchfrr.pid
 ExecStart=@CFG_SBIN@/frrinit.sh start
 ExecStop=@CFG_SBIN@/frrinit.sh stop
 ExecReload=@CFG_SBIN@/frrinit.sh reload
+Environment=PYTHONNOUSERSITE=1
 
 [Install]
 WantedBy=multi-user.target